Callstack

Callstack was hired by a Fintech company to migrate their super app and a mini app to Re.Pack. The project also included the creation of an in-house MoMo development platform, preparation of documentation for the migration process, and conducting an upskilling workshop for the company's developers. The project was successful, with Callstack demonstrating a high level of technical skills. They divided the project into four main deliverables and executed them effectively. The company was satisfied with the results, particularly noting the vendor's technical skills.

In another project, Callstack was engaged by a digital solutions provider to modernize their mobile app, improve its performance and UI/UX, and migrate its existing React Native / GraphQL architecture. The goal was to make the codebase easier to maintain, upgrade previously used libraries, and improve the development velocity of new features. Callstack worked closely with the client's in-house team to identify and implement the best solutions. They successfully refreshed the app's elements using React Native Paper library and replaced react-native-navigation with react-navigation. The project was completed successfully, with the client expressing satisfaction with Callstack's technical skills and responsiveness.